1.5
Why 1.5 after 1.1? Because we skipped a couple of versions and this is basically a new generation.
** Thunderbird imports **
- import complete folders with MBOX files as local accounts
- connect them to live server to change them into IMAP
PGP
- New engine: pgpengine, pgpmime, pgpkeymodel, keydiscovery, securewipe
- Key Manager + New Key dialog; sign/encrypt in composer, verify/decrypt in viewer
Spam
- spamheuristics scoring engine + spamtool CLI
- Spam retention (auto-purge by age), skip-trash option
Folders
- Unread pills per folder, outline pill for collapsed subfolders
- Background unread polling for inactive accounts
- Drag to reparent; rename folder (blocked for INBOX/special-use)
Messages
- Context menu added
- "No label" shortcut added to clear all labels
- Rich-text compose (documenthandler)
Fixes
- Account switch leaked folder delimiter, corrupting imported archive paths
- Folder tree parent/child ordering
- Sidebar folders undraggable